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Crypto Law/Level I · What crypto is in law/1.1 Why law reaches crypto/Lesson 6

Irreversible transfers and why the law cares

What it means that a confirmed crypto transfer cannot be undone, which protections from card and bank payments are missing, and where the law steps in instead.

Education, not legal, tax or investment advice. Crypto law differs between countries and states and changes often. Check the current rules where you live with a qualified lawyer or tax adviser before you act.

The lean path

The cheapest, lowest-tax, simplest and most private route the law allows, best first. Each step names the rule it rests on and the condition that keeps it lawful.

  1. Prevention is free: verify the full address, network and a small test transfer before any large send, and use address allowlists where your exchange offers them; no law can reverse a confirmed transfer, so the cheapest remedy is never needing one.
  2. If defrauded, report free at ic3.gov and to the receiving exchange immediately with the transaction ID; platforms can freeze funds still in their custody, but only quickly, before the coins move on, and paid ‘recovery’ services are a common second scam.
  3. Losses from scams entered into for profit may be deductible under §165(c)(2), per IRS Chief Counsel memo CCA 202511015; personal-purpose theft losses stay limited to declared disasters, and you must show no reasonable prospect of recovery.
  4. Buying from a known seller in a state with UCC Article 12 gives qualifying-purchaser protection under §12-104(e) if you pay value in good faith without notice of claims; it does not help if you knew or should have suspected the coins were stolen.

Materials15 U.S.C. §1666, the Fair Credit Billing Act rule on correcting card billing errorsThe FBI Internet Crime Complaint Center’s 2025 annual report, section on cryptocurrencyYour state’s version of UCC Article 12 on controllable electronic records (for example 6 Del. C. §12-104)A record of one past crypto transfer you made, with its transaction ID

Wonder

  1. If I send crypto to the wrong address or to a scammer, can anyone reverse it?
  2. Why can a card payment be disputed when a crypto transfer cannot?
  3. If stolen coins are sold on to someone else, who owns them?

Explore

  1. Once a public blockchain confirms a transfer, no bank, card network or central operator can undo it. The network has no ‘reverse’ button; the only way to get the coins back is for whoever controls the receiving address to send them back. Lawyers call this finality. It is a design choice that protects recipients from payments being clawed back, but it changes who bears the risk of a mistake or a fraud. That is why law has to deal with it, and why many of the protections people expect from ordinary payments do not reach a direct transfer from their own wallet.
  2. Compare a US credit card. Under the Fair Credit Billing Act, 15 U.S.C. §1666, a cardholder who sends written notice of a billing error within 60 days after the statement is sent obliges the card issuer to acknowledge it within 30 days and, within two billing cycles and no more than 90 days, either correct the account or explain why the charge stands. That duty falls on the issuer, a regulated intermediary. When you send crypto from a wallet you control, there is no issuer in the middle to owe you that duty (lesson 4.3.5).
  3. Irreversibility is one reason losses through crypto are large. The FBI’s Internet Crime Complaint Center reported 181,565 complaints involving cryptocurrency in 2025, with losses of about $11.4 billion, after $9.3 billion in 2024. These count only losses that victims reported, so they do not capture every loss. Because the payment cannot be recalled, recovery depends on finding the person or business holding the funds, which takes time while the money keeps moving. Lessons 4.2.1 to 4.2.7 describe the scams these numbers come from and how reporting works.
  4. So the law acts on points of control. Exchanges can freeze accounts when they receive court orders or detect fraud (lesson 4.3.1). Courts in several countries grant freezing orders over identified wallets and accounts (lesson 9.3.5). The GENIUS Act, the US stablecoin law signed in July 2025, requires permitted stablecoin issuers to have technical capabilities, policies and procedures to block, freeze and reject transactions that break the law, and defines ‘lawful orders’ to seize, freeze, burn or prevent the transfer of their coins. Its rules take effect on a delayed schedule (lesson 3.2.4).
  5. Irreversibility also raises a property question: if stolen coins pass to a later buyer, who owns them? US states have been adopting a 2022 addition to the Uniform Commercial Code, Article 12, on ‘controllable electronic records’, which include many crypto assets. In Delaware’s version, 6 Del. C. §12-104(e), a ‘qualifying purchaser’, one who obtains control for value, in good faith and without notice of a property claim, takes the asset free of that claim. The original owner is left to pursue the wrongdoer rather than the innocent buyer. Coverage depends on whether your state has enacted Article 12.
  6. Legal remedies still exist; they are just slower and less certain. A person who receives a payment by mistake may have to give it back under the law of restitution in many places, and a fraudster can be sued or prosecuted if found. A practical check before any transfer: confirm the network, compare the full address character by character instead of trusting a pasted value, and consider a small test payment first. If something goes wrong, keep the transaction ID and report it promptly (lesson 4.2.7), and treat anyone offering paid ‘recovery’ with suspicion (lesson 4.2.5).

Key facts

  • A confirmed transfer on a public blockchain cannot be reversed by any central operator; only the holder of the receiving address can send funds back.
  • Under 15 U.S.C. §1666 a cardholder must give written notice of a billing error within 60 days after the statement is sent.
  • The card issuer must then resolve the error within two billing cycles and no more than 90 days.
  • The FBI’s Internet Crime Complaint Center recorded 181,565 complaints involving cryptocurrency in 2025, with reported losses of about $11.4 billion.
  • The GENIUS Act requires permitted stablecoin issuers to be technically able to block, freeze and reject transactions that violate law.
  • Under UCC Article 12, as enacted in Delaware at 6 Del. C. §12-104(e), a qualifying purchaser of a controllable electronic record takes it free of property claims.

Exercise nine, six, three, one

9CollectList up to 9 ways money or crypto can be sent, such as a card payment, a bank transfer, an exchange withdrawal, a self-custody wallet transfer or a stablecoin payment.
6ClusterSort them into 6 categories: card payments, bank transfers, payment apps, exchange transfers, self-custody wallet transfers, and stablecoin transfers.
3DistillReduce the 6 categories to 3 groups: payments with a legal dispute right, payments where an intermediary could freeze or help, and payments that only the recipient can reverse.
1CrystallizeWrite 1 sentence explaining, in your own words, why the law looks for an intermediary or a court order when a crypto transfer goes wrong.

Fact check

Dates, figures and claims checked against the published sources listed below.

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